hw/xenpv/xen_machine_pv.c

   1 /*
   2  * QEMU Xen PV Machine
   3  *
   4  * Copyright (c) 2007 Red Hat
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include "qemu/osdep.h"
  26 #include "hw/hw.h"
  27 #include "hw/boards.h"
  28 #include "hw/sysbus.h"
  29 #include "hw/xen/xen_backend.h"
  30 #include "xen_domainbuild.h"
  31 #include "sysemu/block-backend.h"
  32
  33 #define TYPE_XENSYSDEV "xensysdev"
  34
  35 DeviceState *xen_sysdev;
  36
  37 static void xen_init_pv(MachineState *machine)
  38 {
  39     DriveInfo *dinfo;
  40     int i;
  41
  42     /* Initialize backend core & drivers */
  43     if (xen_be_init() != 0) {
  44         fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
  45         exit(1);
  46     }
  47
  48     switch (xen_mode) {
  49     case XEN_ATTACH:
  50         /* nothing to do, xend handles everything */
  51         break;
  52 #ifdef CONFIG_XEN_PV_DOMAIN_BUILD
  53     case XEN_CREATE: {
  54         const char *kernel_filename = machine->kernel_filename;
  55         const char *kernel_cmdline = machine->kernel_cmdline;
  56         const char *initrd_filename = machine->initrd_filename;
  57         if (xen_domain_build_pv(kernel_filename, initrd_filename,
  58                                 kernel_cmdline) < 0) {
  59             fprintf(stderr, "xen pv domain creation failed\n");
  60             exit(1);
  61         }
  62         break;
  63     }
  64 #endif
  65     case XEN_EMULATE:
  66         fprintf(stderr, "xen emulation not implemented (yet)\n");
  67         exit(1);
  68         break;
  69     default:
  70         fprintf(stderr, "unhandled xen_mode %d\n", xen_mode);
  71         exit(1);
  72         break;
  73     }
  74
  75     xen_sysdev = qdev_create(NULL, TYPE_XENSYSDEV);
  76     qdev_init_nofail(xen_sysdev);
  77
  78     xen_be_register("console", &xen_console_ops);
  79     xen_be_register("vkbd", &xen_kbdmouse_ops);
  80     xen_be_register("vfb", &xen_framebuffer_ops);
  81     xen_be_register("qdisk", &xen_blkdev_ops);
  82     xen_be_register("qnic", &xen_netdev_ops);
  83 #ifdef CONFIG_USB_LIBUSB
  84     xen_be_register("qusb", &xen_usb_ops);
  85 #endif
  86
  87     /* configure framebuffer */
  88     if (xenfb_enabled) {
  89         xen_config_dev_vfb(0, "vnc");
  90         xen_config_dev_vkbd(0);
  91     }
  92
  93     /* configure disks */
  94     for (i = 0; i < 16; i++) {
  95         dinfo = drive_get(IF_XEN, 0, i);
  96         if (!dinfo)
  97             continue;
  98         xen_config_dev_blk(dinfo);
  99     }
 100
 101     /* configure nics */
 102     for (i = 0; i < nb_nics; i++) {
 103         if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
 104             continue;
 105         xen_config_dev_nic(nd_table + i);
 106     }
 107
 108     /* config cleanup hook */
 109     atexit(xen_config_cleanup);
 110
 111     /* setup framebuffer */
 112     xen_init_display(xen_domid);
 113 }
 114
 115 static int xen_sysdev_init(SysBusDevice *dev)
 116 {
 117     return 0;
 118 }
 119
 120 static Property xen_sysdev_properties[] = {
 121     {/* end of property list */},
 122 };
 123
 124 static void xen_sysdev_class_init(ObjectClass *klass, void *data)
 125 {
 126     DeviceClass *dc = DEVICE_CLASS(klass);
 127     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 128
 129     k->init = xen_sysdev_init;
 130     dc->props = xen_sysdev_properties;
 131 }
 132
 133 static const TypeInfo xensysdev_info = {
 134     .name          = TYPE_XENSYSDEV,
 135     .parent        = TYPE_SYS_BUS_DEVICE,
 136     .instance_size = sizeof(SysBusDevice),
 137     .class_init    = xen_sysdev_class_init,
 138 };
 139
 140 static void xenpv_register_types(void)
 141 {
 142     type_register_static(&xensysdev_info);
 143 }
 144
 145 type_init(xenpv_register_types);
 146
 147 static void xenpv_machine_init(MachineClass *mc)
 148 {
 149     mc->desc = "Xen Para-virtualized PC";
 150     mc->init = xen_init_pv;
 151     mc->max_cpus = 1;
 152     mc->default_machine_opts = "accel=xen";
 153 }
 154
 155 DEFINE_MACHINE("xenpv", xenpv_machine_init)